The clip was recorded by NASA astronaut Peggy Whitson while she was on a 7-hour spacewalk with fellow astronaut Shane ...

A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...

The Kessler syndrome could be closer to becoming a reality as a growing number of Elon Musk's Starlink satellites fall from the sky ...

NASA’s Carruthers mission will capture the first full images of Earth’s exosphere, helping protect astronauts and guide the search for life.

Planet has announced a new class of imaging satellites that will replace a line of spacecraft dating back to the company’s ...

Those space tornadoes can still harm Earth’s electrical grids and digital systems. Recently, researchers including UM climate ...

We all need some space sometimes—but it's harder to find than you might think. How far into our universe do we have to go to ...

Earth has been losing its shine. Literally. According to new data from NASA, our planet is reflecting less sunlight back into ...

TF whizzed past Earth at a distance of only 266 miles (428 kilometers) from our planet — roughly the same altitude as the ...

Earth is getting darker. A subtle drop in reflectivity, driven by melting ice and cleaner air, is amplifying global climate ...